ATLAS Offline Software
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DY_VLQ.py
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1# Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
2
3from ... import Logging
4from ...parameters import powheg_atlas_common
5from ..powheg_V2 import PowhegV2
6
7
8logger = Logging.logging.getLogger("PowhegControl")
9
10
11class DY_VLQ(PowhegV2):
12 """! Default Powheg configuration for Vector LeptoQuark production.
13
14 https://arxiv.org/abs/2209.12780
15
16 Create a configurable object with all applicable Powheg options.
17
18 @author Timothee Theveneaux-Pelzer <tpelzer@cern.ch>
19 """
20
21 def __init__(self, base_directory, **kwargs):
22 """! Constructor: all process options are set here.
23
24 @param base_directory: path to PowhegBox code.
25 @param kwargs dictionary of arguments from Generate_tf.
26 """
27 super(DY_VLQ, self).__init__(base_directory, "DY_VLQ_NLO", **kwargs)
28
29 # Add parameter validation functions
30 self.validation_functions.append("validate_decays")
31
32
33 self.allowed_decay_modes = ["ta+ ta-", "e+ e-", "mu+ mu-"]
34
35 # Add all keywords for this process, overriding defaults if required
36 self.add_keyword("angcorr_damp") # using angular correlations aware damp function
37 self.add_keyword("bornktmin")
38 self.add_keyword("bornonly")
39 self.add_keyword("bornsuppfact")
40 self.add_keyword("bornzerodamp")
41 self.add_keyword("bottommass")
42 self.add_keyword("bottomthr")
43 self.add_keyword("bottomthrpdf")
44 self.add_keyword("btildeborn")
45 self.add_keyword("btildecoll")
46 self.add_keyword("btildereal")
47 self.add_keyword("btildevirt")
48 self.add_keyword("btlscalect")
49 self.add_keyword("btlscalereal")
50 self.add_keyword("charmmass")
51 self.add_keyword("charmthr")
52 self.add_keyword("charmthrpdf")
53 self.add_keyword("check_bad_st1")
54 self.add_keyword("check_bad_st2")
55 self.add_keyword("clobberlhe")
56 self.add_keyword("colltest")
57 self.add_keyword("compress_lhe")
58 self.add_keyword("compress_upb")
59 self.add_keyword("compute_rwgt")
60 self.add_keyword("doublefsr")
61 self.add_keyword("evenmaxrat",0)
62 self.add_keyword("ew")
63 self.add_keyword("facscfact", self.default_scales[0])
64 self.add_keyword("fastbtlbound")
65 self.add_keyword("fixedgrid")
66 self.add_keyword("flg_debug")
67 self.add_keyword("foldcsi")
68 self.add_keyword("foldphi")
69 self.add_keyword("foldy")
70 self.add_keyword("fullrwgt")
71 self.add_keyword("fullrwgtmode")
72 self.add_keyword("gfermi")
73 self.add_keyword("hdamp")
74 self.add_keyword("hdecaymode")
75 self.add_keyword("hdecaywidth")
76 self.add_keyword("hfact", 104.16)
77 self.add_keyword("hmass")
78 self.add_keyword("hnew_damp")
79 self.add_keyword("hwidth")
80 self.add_keyword("icsimax")
81 self.add_keyword("ih1")
82 self.add_keyword("ih2")
83 self.add_keyword("itmx1", 2)
84 self.add_keyword("itmx1rm")
85 self.add_keyword("itmx2", 2)
86 self.add_keyword("itmx2rm")
87 self.add_keyword("iupperfsr")
88 self.add_keyword("iupperisr")
89 self.add_keyword("iymax")
90 self.add_keyword("lhans1", self.default_PDFs)
91 self.add_keyword("lhans2", self.default_PDFs)
92 self.add_keyword("lhapdf6maxsets")
93 self.add_keyword("lhrwgt_descr")
94 self.add_keyword("lhrwgt_group_combine")
95 self.add_keyword("lhrwgt_group_name")
96 self.add_keyword("lhrwgt_id")
97 self.add_keyword("manyseeds")
98 self.add_keyword("maxseeds")
99 self.add_keyword("mass_low") # lower limit for dilepton mass
100 self.add_keyword("mass_high") # upper limit for dilepton mass
101 self.add_keyword("mt", powheg_atlas_common.mass.t, name="mass_t", description="top quark mass in GeV")
102 self.add_keyword("ncall1", 30000)
103 self.add_keyword("ncall1rm")
104 self.add_keyword("ncall2", 50000)
105 self.add_keyword("ncall2rm")
106 self.add_keyword("ncallfrominput")
107 self.add_keyword("new_damp") # using new, better default damp function
108 self.add_keyword("nubound", 50000)
109 self.add_keyword("parallelstage")
110 self.add_keyword("pdfreweight")
111 self.add_keyword("rand1")
112 self.add_keyword("rand2")
113 self.add_keyword("renscfact", self.default_scales[1])
114 self.add_keyword("runningscale")
115 self.add_keyword("rwl_add")
116 self.add_keyword("rwl_file")
117 self.add_keyword("rwl_format_rwgt")
118 self.add_keyword("rwl_group_events")
119 self.add_keyword("smartsig")
120 self.add_keyword("softtest")
121 self.add_keyword("stage2init")
122 self.add_keyword("storeinfo_rwgt")
123 self.add_keyword("storemintupb")
124 self.add_keyword("testplots")
125 self.add_keyword("testsuda")
126 self.add_keyword("use-old-grid")
127 self.add_keyword("use-old-ubound")
128 self.add_keyword("vdecaymode", self.allowed_decay_modes[0], name="decay_mode")
129 self.add_keyword("withbtilde",1)
130 self.add_keyword("withdamp")
131 self.add_keyword("withremnants",1)
132 self.add_keyword("withnegweights")
133 self.add_keyword("withsubtr")
134 self.add_keyword("xgriditeration")
135 self.add_keyword("xupbound")
136 # General Leptoquark (LQ) Parameters
137 self.add_keyword("SM", 1) # Include SM contribution
138 self.add_keyword("LQ", 0) # Include basic LQ contributions
139 self.add_keyword("LQ-Int", 0, "LQ_Int") # Include the interference between the SM and the LQ contributions
140 # 4321 Model Parameters
141 self.add_keyword("g4", 0.) # SU(4) coupling strength g4
142 self.add_keyword("betaL3x3", 1.) # Relative coupling strength to left-handed fermions (3rd generation)
143 self.add_keyword("betaR3x3", 1.) # Relative coupling strength to right-handed fermions (3rd generation)
144 self.add_keyword("MU1", 1e4) # Mass of vector leptoquark U1
145 self.add_keyword("MGp", 1e4) # Mass of the coloron Gp
146
147
148 def validate_decays(self):
149 """! Validate semileptonic and topdecaymode keywords."""
150 self.expose() # convenience call to simplify syntax
151 if self.decay_mode not in self.allowed_decay_modes:
152 logger.warning("Decay mode {} not recognised!".format(self.decay_mode))
153 raise ValueError("Decay mode {} not recognised!".format(self.decay_mode))
154 # Calculate appropriate decay mode numbers
155 __decay_mode_lookup = { "ta+ ta-": "3", "e+ e-": "1", "mu+ mu-": "2"}
156 self.parameters_by_keyword("vdecaymode")[0].value = __decay_mode_lookup[self.decay_mode]
python.processes.configurable.Configurable.add_keyword
add_keyword(self, keyword, value=None, name=None, frozen=None, hidden=None, description=None, **kwargs)
Register configurable parameter that is exposed to the user.
Definition configurable.py:21
python.processes.configurable.Configurable.expose
expose(self)
Add all names to the interface of this object.
Definition configurable.py:46
python.processes.configurable.Configurable.parameters_by_keyword
parameters_by_keyword(self, keyword)
Retrieve all parameters that use a given keyword.
Definition configurable.py:57
python.processes.powheg.DY_VLQ.DY_VLQ
Default Powheg configuration for Vector LeptoQuark production.
Definition DY_VLQ.py:11
python.processes.powheg.DY_VLQ.DY_VLQ.allowed_decay_modes
list allowed_decay_modes
List of allowed decay modes.
Definition DY_VLQ.py:33
python.processes.powheg.DY_VLQ.DY_VLQ.decay_mode
decay_mode
Definition DY_VLQ.py:152
python.processes.powheg.DY_VLQ.DY_VLQ.__init__
__init__(self, base_directory, **kwargs)
Constructor: all process options are set here.
Definition DY_VLQ.py:21
python.processes.powheg.DY_VLQ.DY_VLQ.validate_decays
validate_decays(self)
Validate semileptonic and topdecaymode keywords.
Definition DY_VLQ.py:148
python.processes.powheg_V2.PowhegV2
Base class for PowhegBox V2 processes.
Definition powheg_V2.py:6
python.processes.powheg_base.PowhegBase.validation_functions
list validation_functions
List of validation functions to run before preparing runcard.
Definition powheg_base.py:127
python.processes.powheg_base.PowhegBase.default_scales
default_scales(self)
Default scale variations for this process.
Definition powheg_base.py:194
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